Thank you - this worked. Well, I was a bit scared of messing with that file (rc.local scares me) so I used crontab -e and an @ reboot statement to run the command on startup. The script is correctly starting my solarlogging.py script (also done from crontab -e), however it does not open a terminal w...

I've got it up and running!! If I could please bother you for a new problem I'm encountering. I needed to install the driver for the epsolar USB serial connection. In terminal I input git clone https://github.com/kasbert/epsolar-tracer.git This put the downloaded folder into /home/pi/epsolar-tracer/...

I've seen this error is likely due to incorrect driver on Pi. Github seems to be offline at the moment but I'll follow those instructions to hopefully get my project up and running.

It worked - it shows that my serial USB device is /dev/ttyACM0 It seems to be connecting. Now I need to figure out why it is saying solarVoltage = float(result.registers[0]/100.0] AttributeError: 'ModbusIOException' object has no attribute registers. I know the code is fine as it works perfectly on ...

Hi, Hippy.

Thank you for this. Where do I type in Isusb? In a terminal command?

Also, how do I run the program you supplied? Must I copy paste and save it as a py file and then run it in terminal?

Thanks, again, for your help. Much appreciated!

Good day I have a RS845 to USB adapter and the USB is plugged into my Pi ZeroW. I am trying to find out what the port is called so that I can use it in a pymodbus script. The script writer for a pi 3+ had "/Dev/ttyUSB0' but that does not work with me. I noticed by plugging in and out that when the U...